O Si 
 1.0000000000000000
     5.0288633000303582    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.0288633000303555   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    7.5622367900252616
 O   Si 
   8   4
Selective dynamics
Cartesian
  4.5744236353978174  1.2572158250075884  0.9452795987531575   T   T   T
  0.4544396646325399  3.7716474750227653  0.9452795987531575   T   T   T
  1.2572158250075891  0.4544396646325398  6.6169571912721032   T   T   T
  3.7716474750227675  4.5744236353978147  6.6169571912721032   T   T   T
  2.9688713146477186  1.2572158250075884  4.7263979937657883   T   T   T
  2.0599919853826383  3.7716474750227653  4.7263979937657883   T   T   T
  3.7716474750227675  2.9688713146477164  2.8358387962594724   T   T   T
  1.2572158250075891  2.0599919853826374  2.8358387962594724   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.5144316500151782 -0.0000000000000000  5.6716775925189449   T   T   T
  2.5144316500151782  2.5144316500151769  3.7811183950126299   T   T   T
 -0.0000000000000000  2.5144316500151769  1.8905591975063150   T   T   T